/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.skywalking.oap.server.core.config.group.uri.quickmatch;

import java.util.List;

public interface PatternToken {
    boolean isMatch(String name);

    boolean isLeaf();

    String expression();

    void setExpression(String expression);

    List<PatternToken> children();

    default PatternToken find(final PatternToken token) {
        for (final PatternToken child : children()) {
            if (child.equals(token)) {
                return child;
            }
        }
        return null;
    }

    default PatternToken add(final PatternToken token) {
        children().add(token);
        return token;
    }
}
